Measuring consumer benefits associated with a policy or a project in a world where prices and outcomes are known with certainty is, at least in theory, straightforward. Changes in consumer surplus provide an appropriate measure of a policy's contribution ...

This paper outlines the bio-physical processes and consequences of soil compaction, its
economic significance for farmers, and the possible reasons for mismanagement of soil.
Methodologies for valuing the effects of soil degradation are surveyed. The goal ...

Cullen, R.(Environmental Economics Research Group. Department of Economics, University of Stirling, UK, 1995-06)

Protection of species and ecosystems from damage by introduced species typically involves use of
taxpayer funds. Governments are increasingly concerned to ensure value for money is achieved,
and request evaluation of these ecosystem protection programmes. ...

Sustainable development has become a primary objective for many countries throughout the world since the late 1980’s. A major difficulty associated with sustainable development objectives, however, is the absence of reliable indicators to measure progress ...

Although possums have been controlled by government agencies for more than 4 decades, there is little quantitative information available on the costs of controlling possums or the extent to which costs vary. A number of aerial and ground-based possum cont ...

A very large proportion of New Zealand's land area is reserved for conservation and recreation purposes. The Department of Conservation claims responsibility for the management of thirty percent of New Zealand land. Entry to this land is regarded as free ...

Possums, a native of Australia, were first liberated in New Zealand in 1858 to provide a
source of fur. Today they number about 70 million and few parts of the country have not
been invaded by possums. Possums have well developed appetites and their brows ...

The term biodiversity conservation can be applied to efforts to conserve genetic
diversity, species diversity and ecosystem diversity. This paper focuses on
efforts to conserve species and ecosystem diversity. Efforts to reduce, or halt
this rapid loss of ...

Plant protection can encompass a number of activities. Weed control in cereals,
competitor suppression for pine seedlings, weevil control in lucerne, control of fruit
worm in tomatoes, black spot on apples, powdery mildew on peas, clematis vitalba
and pos ...